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Champion Power Equipment

Model #100738

224cc Horizontal Engine

When you need reliable power for small engine applications, Champion’s got you covered with the 224cc Replacement Engine. With a 0.8-gallon fuel tank and 0.5-quart oil capacity, this engine features a low oil shut-off sensor, a smooth pull start and has an OHV design for clean operation.


Smooth Pull Start

The automatic compression release allows for low effort recoil starts


4-stroke durable OHV design for clean and cool operation, produces a max torque of 8.1 lb-ft at 2800 RPM


The 224cc engine has a cast iron sleeve and a ball bearing supported crankshaft


EPA certified with automatic low oil shut-off sensor


Champion Support includes 2-year limited warranty with FREE lifetime technical support from dedicated experts


The Champion Power Equipment 100738 224cc General Purpose Replacement Engine is designed to provide reliable power for most small engine applications. Whether you need to replace the engine in your pressure washer, compressor, cement mixer, snow blower, log splitter, transfer pump, chipper shredder or other application, you can count on a Champion replacement engine to power your life.

This small but mighty engine comes with a 0.8-gallon fuel tank and a 0.5-quart oil capacity (recommended 5W-30).

Producing a max torque of 8.1 lb-ft (11 Nm) at 2800 RPM, the 4-stroke, single cylinder OHV engine has a straight crankshaft with a ¾-inch diameter, a 5/16-inch- 24 UNF threaded end hole, a 3/16-inch keyway, a 2.56-inch square (5/16-inch - 24 UNF) shaft mount bolt pattern, a 4.17-inch PTO height, and counterclockwise rotation.

Champion’s reliable and durable engine also features an adjustable throttle, plus this engine is designed for safety with the fuel shut-off valve and automatic low oil shut-off sensor.

Buy this EPA certified engine with confidence – Champion Support and our nationwide network of service centers will back up your purchase with a 2-year limited warranty and FREE lifetime technical support.

What’s included

  • Shaft Key
  • Oil Funnel


Power Type Gasoline
Start Type Recoil
Engine Brand Champion
Engine Size 224cc
Engine Type 4-stroke
Gasoline Capacity 0.8 gal.
Engine Oil Type 5W-30
Engine Oil Capacity 0.5 qt.
Engine Oil Included No
Low Oil Shut-Off Yes
Crankshaft Orientation Horizontal
Crankshaft Type Straight
Crankshaft Rotation Counterclockwise
Crankshaft Diameter 4/5 in.
Crankshaft End Tapped Size 5/16 - 24 in-UNF
Shaft Keyway Width 1/5 in.
PTO Height 2-3/10 in.
Maximum Torque 9.6 lb-ft
EPA Certified Yes
CARB Compliant No


Length 15.2 in.
Width 10.8 in.
Height 14.6 in.
Weight 35.3 lb.